Subchapter G - ENGINEERING AND TRAFFIC OPERATIONS
- Part 620 - ENGINEERING (§§ 620.101 — 620.203)
- Part 625 - DESIGN STANDARDS FOR HIGHWAYS (§§ 625.1 — 625.4)
- Part 626 - PAVEMENT POLICY (§§ 626.1 — 626.3)
- Part 627 - VALUE ENGINEERING (§§ 627.1 — 627.9)
- Part 630 - PRECONSTRUCTION PROCEDURES (§§ 630.102 — 630.1110)
- Part 633 - REQUIRED CONTRACT PROVISIONS (§§ 633.101 — 633)
- Part 635 - CONSTRUCTION AND MAINTENANCE (§§ 635.101 — 635.606)
- Part 636 - DESIGN-BUILD CONTRACTING (§§ 636.101 — 636.511)
- Part 637 - CONSTRUCTION INSPECTION AND APPROVAL (§§ 637 — 637.209)
- Part 645 - UTILITIES (§§ 645.101 — 645.309)
- Part 646 - RAILROADS (§§ 646.101 — 646.220)
- Part 650 - BRIDGES, STRUCTURES, AND HYDRAULICS (§§ 650.101 — 650.809)
- Part 655 - TRAFFIC OPERATIONS (§§ 655 — 655.607)
- Part 656 - CARPOOL AND VANPOOL PROJECTS (§§ 656.1 — 656.7)
- Part 657 - CERTIFICATION OF SIZE AND WEIGHT ENFORCEMENT (§§ 657 — 657.21)
- Part 658 - TRUCK SIZE AND WEIGHT, ROUTE DESIGNATIONS-LENGTH, WIDTH AND WEIGHT LIMITATIONS (§ 658)
- Part 660 - SPECIAL PROGRAMS (DIRECT FEDERAL) (§§ 660.101 — 660.519)
- Part 661 - INDIAN RESERVATION ROAD BRIDGE PROGRAM (§§ 661.1 — 661.59)
- Part 667 - PERIODIC EVALUATION OF FACILITIES REPEATEDLY REQUIRING REPAIR AND RECONSTRUCTION DUE TO EMERGENCY EVENTS (§§ 667.1 — 667.9)
- Part 668 - EMERGENCY RELIEF PROGRAM (§§ 668.101 — 668.215)
- Part 669 - ENFORCEMENT OF HEAVY VEHICLE USE TAX (§§ 669.1 — 669.21)
- Part 680 - NATIONAL ELECTRIC VEHICLE INFRASTRUCTURE STANDARDS AND REQUIREMENTS (§§ 680.100 — 680.118)